RT Journal A1 Bergen RP T1 LAw and medicine JF JAMA JO JAMA YR 1969 FD October 27 VO 210 IS 4 SP 775 OP 776 DO 10.1001/jama.1969.03160300095060 UL http://dx.doi.org/10.1001/jama.1969.03160300095060 AB